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Mastering Index Tuning–Day 2

This is a short series of posts on the courses I took with Brent Ozar. I actually completed the courses in the past, but I wrote notes and wanted to revisit the way things went.

This post looks at the Mastering Index Tuning class. Other  posts are:

Day 2

The day starts by looking at homework from last lab. How does Brent do this? One nice thing is that Brent limits the time here for himself. He solves the indexing lab, but stops before some people would. He explains this as he tackles indexing like this. Make some changes, but set a time limit. Then see deploy them and evaluate again after some time.

We get to watch how he’d solve the lab, and I popped open my VM to check what I’d done. After all, it had been like 16 hours. I saved each lab work in a file on my VM, which was good. I could reference the order in which I’d done things and since I’d save the before/after stats, I could compare with Brent.

The rest of the day was similar to day 1, with a lecture, a short lab, more lecture, and a long lab over lunch. During this day, we looked at blocking, which is one of those areas where many people have issues. Brent has built a lab that creates blocking, so we can see it happening in our instances.

While there are different ways you can clear blocking, the challenge here is to use indexes to get rid of blocking. This isn’t the best way to clear blocking, but it is an option, and again, the challenge here is to focus on indexes.

This was a better day for me, getting into the swing and rhythm of the class as well as starting to feel challenged. I focused more on the labs here, which I wish I’d done a bit more of this on the first day.

The lab at the end of the day was more complex, though I didn’t have time to get it all done. I got a first pass that seemed to solve some of the issues, and I had to stop since other work was calling. Still, a good day.

If you’re interested in the class, you can visit the Mastering Index Tuning page to learn more and purchase the class.

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Steve Jones is the editor of SQLServerCentral.com and visits a wide variety of data related topics in his daily editorial. Steve has spent years working as a DBA and general purpose Windows administrator, primarily working with SQL Server since it was ported from Sybase in 1990. You can follow Steve on Twitter at twitter.com/way0utwest


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